Swivel Shuttle Patents (Class 139/119)
With main shuttle control (Class 139/120)
With rack and pinion (Class 139/121)
  • Protective bellows
    Patent number: 5015002
    Abstract: A plurality of axially aligned bellows are formed in the cuff of a protective boot to accommodate a large diametric range of cylinders to be encircled by the cuff.
    Type: Grant
    Filed: June 29, 1990
    Date of Patent: May 14, 1991
    Assignee: Daystar, Inc.
    Inventors: Clarence R. Goodman, Jerry R. Presley
  • Tamper resistant target wafer and fastener assembly
    Patent number: 4590461
    Abstract: A tamper-resistant target wafer (10) for use in an electronic theft detection system has a housing formed with bulges (16 and 22) aligned with each other on opposite sides and which slope continuously downward toward the plane of the target wafer to minimize fulcrum leverage to a prying tool and to enclose a locking mechanism (38) in a manner such that it is protected from attack by plier-like tools.
    Type: Grant
    Filed: October 5, 1984
    Date of Patent: May 20, 1986
    Assignee: Knogo Corporation
    Inventor: Michael N. Cooper